Home / 743,840.88-1,026,501.84-404,308.32

Finding the Fourth Proportional to 743,840.88, 1,026,501.84 and 404,308.32

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Solution

The fourth proportional to 743,840.88, 1,026,501.84 and 404,308.32 is: 557,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,840.88 : 1,026,501.84 = 404,308.32 : x
  2. Step 2: Convert to fraction form
    743,840.88/1,026,501.84 = 404,308.32/x
  3. Step 3: Cross multiply
    743,840.88x = 1,026,501.84 × 404,308.32
  4. Step 4: Simplify right side
    743,840.88x = 415,023,234,407.31
  5. Step 5: Solve for x
    x = 415,023,234,407.31/743,840.88
  6. Step 6: Final answer
    x = 557,946.26

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.